package egovframework.com.cmm;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Service;

import egovframework.rte.fdl.cmmn.EgovAbstractServiceImpl;

/**
 * EgovComUtil 클래스
 * 
 * @author 서준식
 * @since 2011.09.15
 * @version 1.0
 * @see
 * 
 *      <pre>
 * << 개정이력(Modification Information) >>
 *   
 *   수정일      수정자           수정내용
 *  -------    -------------    ----------------------
 *   2011.09.15  서준식        최초 생성
 * </pre>
 */

@Service("egovUtil")
public class EgovComponentChecker extends EgovAbstractServiceImpl implements
		ApplicationContextAware {

	public static ApplicationContext context;

	/**
	 * Spring MVC에서 설정한 빈이 아닌 서비스 빈(컴포넌트)만을 검색할 수 있음
	 * 
	 */
	public static boolean hasComponent(String componentName) {

		try {
			Object component = context.getBean(componentName);

			if (component == null) {
				return false;
			} else {
				return true;
			}

		} catch (NoSuchBeanDefinitionException ex) {// 해당 컴포넌트를 찾을 수없을 경우
													// false반환
			return false;
		}
	}

	@Override
	public void setApplicationContext(ApplicationContext context)
			throws BeansException {

		EgovComponentChecker.context = context;
	}

}
